| commit | 500c0106e638e08c2c661c305ed57d6b67e10908 | [log] [tgz] |
|---|---|---|
| author | Gary R Hook <gary.hook@amd.com> | Fri Jan 27 15:28:45 2017 -0600 |
| committer | Herbert Xu <herbert@gondor.apana.org.au> | Fri Feb 03 17:45:45 2017 +0800 |
| tree | 8fcb8de6b8ee55537f6866bd2bf3ba128f22a803 | |
| parent | f5f7bebc91ab378dea5aad5277c4d283e46472d9 [diff] |
crypto: ccp - Fix DMA operations when IOMMU is enabled An I/O page fault occurs when the IOMMU is enabled on a system that supports the v5 CCP. DMA operations use a Request ID value that does not match what is expected by the IOMMU, resulting in the I/O page fault. Setting the Request ID value to 0 corrects this issue. Cc: <stable@vger.kernel.org> Signed-off-by: Gary R Hook <gary.hook@amd.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>